Tylenchulus

 

Contents

 

Rev 11/19/2019

  Classification Hosts
Morphology and Anatomy Life Cycle
Return to Tylenchulus Menu Economic Importance Damage
Distribution Management
Return to Tylenchulidae Menu Feeding  References
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Classification:

      Tylenchida
       Tylenchina
        Criconematoidea
        Tylenchulidae
         Tylenchulinae

          Tylenchulus (Cobb, 1913)
   

Synonyms:
      None.

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Morphology and Anatomy:

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All stages: Excretory pore situated very posteriorly (65-85% of body length); pore surrounded by small, irregularly shaped lobes; excretory duct directed forward. 

Females: Fixed into the root by anterior part of body.  Body slightly crescent-shaped.  

Vulva posterior, but not terminal.    Postvulval region short, tapering, ventrally curved and bluntly rounded in T. semipenetrans); almost straight, conoid, finely rounded in T. furcus.

Anus obscure or absent (T. semipenetrans).  

No uterine cyst.  

Males: Stylet degenerate. 

No penial tube.  

Lateral field with two lines (T. semipenetrans) or two plus two faint inner lines (T. furcus).

[Ref: Raski & Luc, 10:409-444 (1987).]



Body size range for the species of this genus in the database - Click:
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Distribution:

 

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Economic Importance:

 

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Feeding:

      
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Hosts:

 
For an extensive host range list for this genus, click
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Life Cycle:

For Ecophysiological Parameters for this genus, click 
 
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Damage:

 

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Management:

 

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References:

Raski & Luc, Rev. Nematol. 10:409-444 (1987).

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Copyright © 1999 by Howard Ferris.
Revised: November 19, 2019.